Road Stream Crossing Site CHAR_MA11

Lake Charlevoix Watershed, Monroe Creek
Phelps Rd
Marion Twp, Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.22021 , -85.22786
T33N R08W Sec 25
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 9.1433 tons/year
Severity: Severe
Year Inventoried: 2011
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 1.5 ft. , Height 1.5 ft.
Percentage Plugged: Outlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.73 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 2.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured 1.1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 9 ft. , Width 4 ft. , Depth 2.5 ft.
Upstream Pond: Length 10 ft. , Width 4 ft. , Depth 3 ft.
Riffle Information
Water Depth: 1.04 ft.
Bankfull Width: 3.9 ft.
Wetted Width: 3.9 ft.
Water Velocity: 1 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Sand County Road (Seasonal)
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 1.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 375 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.498
Erosion: 2.7846 tons/year
Right Approach
Length: 702 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.827
Erosion: 6.3587 tons/year
Erosion Information
Total Erosion at Crossing: 9.1433 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.9